Osprey Reef

Osprey Reef

Australia · Coral Sea
OVERVIEW

Why dive in Osprey Reef?

Osprey Reef is a remote, submerged atoll in the Coral Sea, renowned for its dramatic drop-offs and sheer walls that plunge over 2,000 meters into the abyss. This isolated location offers exceptional biodiversity, thrilling shark encounters, and crystal-clear visibility, making it a premier liveaboard destination for experienced divers seeking advanced deep and drift dives.

WATER TEMPERATURE -
VISIBILITY -
CURRENT STRENGTHModerate  –  Strong

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LOCAL MARINE LIFE IN OSPREY REEF

Featured Animals 8

SIGHTING PROBABILITY
  • Unlikely
  • Likely
  • Very likely
Giant TrevallyFrequent sightings

Giant Trevally

Caranx ignobilis

The giant trevally (Caranx ignobilis) is a large, powerful predatory fish found throughout the tropical Indo-Pacific region. Known for its steep head profile and robust body, it can reach up to 170 cm in length and 80 kg in weight. This apex predator feeds primarily on fish, but also consumes crustaceans and cephalopods, often hunting in solitary or small groups, though juveniles form schools.


BEST SEASON
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Grey Reef SharkFrequent sightings

Grey Reef Shark

Carcharhinus amblyrhynchos

The Grey Reef Shark (Carcharhinus amblyrhynchos) is a medium to large-sized requiem shark, common in Indo-Pacific coral reefs and adjacent waters. Characterized by its grey body and a distinctive broad black band on the trailing edge of its caudal fin, it is a fast and agile predator. These sharks are known for their social daytime aggregations, which disperse at night for individual hunting.


BEST SEASON
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Humphead WrasseFrequent sightings

Humphead Wrasse

Cheilinus undulatus

The Humphead Wrasse is one of the largest reef fish, identifiable by a prominent hump on its forehead and thick fleshy lips. It is a protogynous hermaphrodite, meaning individuals are born female and some transition to males later in life. This carnivorous species plays a crucial role in coral reef ecosystems by preying on hard-shelled invertebrates and toxic animals like the crown-of-thorns starfish.


BEST SEASON
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Potato GrouperFrequent sightings

Potato Grouper

Epinephelus tukula

The Potato Grouper is a large fish known for its spotted appearance, resembling the surface of a potato. It primarily inhabits coral reefs and is a solitary carnivore. Potato Groupers can grow to be quite large, reaching up to 2 meters in length and weighing over 100 kg.


BEST SEASON
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Silvertip SharkFrequent sightings

Silvertip Shark

Carcharhinus albimarginatus

The Silvertip Shark is a large, streamlined requiem shark identifiable by the prominent white tips and trailing margins on all its fins. It is an aggressive apex predator, often dominating other sharks during feeding, and can be found in various tropical Indo-Pacific marine habitats from the surface to considerable depths. While often solitary or in pairs, it can also form small groups or mixed-species aggregations and exhibits variable activity patterns throughout the day and night.


BEST SEASON
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Tiger SharkFrequent sightings

Tiger Shark

Galeocerdo cuvier

The tiger shark is a large apex predator recognized by the dark vertical stripes along its body, especially visible in juveniles. It inhabits tropical and subtropical waters and has a highly varied diet, feeding on fish, rays, turtles, seabirds, and other marine animals.


BEST SEASON
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Whale SharkFrequent sightings

Whale Shark

Rhincodon typus

The whale shark is the largest fish in the world and a gentle filter feeder.


BEST SEASON
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Whitetip Reef SharkFrequent sightings

Whitetip Reef Shark

Triaenodon obesus

The Whitetip Reef Shark is a slender, medium-sized shark easily identified by the distinctive white tips on its dorsal and upper caudal fins. Primarily nocturnal, it spends its days resting in caves and under ledges on coral reefs and hunts at night for bony fishes, crustaceans, and cephalopods. These sharks are generally social, often found in groups during the day, but can hunt individually or cooperatively.


BEST SEASON
Jan
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ALSO IN Osprey Reef

More marine life 31

LOCATION

Where is Osprey Reef

Coral Sea · Australia